Chain-link coupling



J D. KING.

CHAIN LINK COUPUNG.

APPLICATION FILD MAR. 4. 1922.

Patented Aug. 22 1922.

mgf/w axe 5?, y 27 JOHN 1). KING, OF SYRACUSE, NEW YORK.

CHAIN-LINK COUPLING.

Specification of Letters Patent.

Patented Au $2 2, 1922,

Application filed March a, 1922. Serial No. 540,991.

T 0 all whom it may concern: I

Be it known that 1, JOHN D. KING, a citizen of the United States, of Syracuse, in the county of Onondaga, in the State of New York, have invented new and. useful Improvements in a Chain-Link Coupling, of which the following, taken in connectlon with the accompanying drawings, is a full, clear, and exact description.

This invention relates to a chain link coupling for replacing broken links, extending or shortening a chain and for any other emergency in which a link coupling of this character might be useful, the main ob ect being to provide a link coupling of this character which can be easily and quickly attached to or detached from separate chains or links to connect or disconnect the same and thus permit the coupled sections to be used. for any purpose to which a chain of uniform links might be applied.

Other objects and uses relating to specific parts of the coupling will be brought out in the following description:

In the drawings:

Figures 1 and 2 are face views of the link taken at right angles to each other.

Figure 3 is an end view of the same link.

As illustrated, this link consists of a round metallic rod or wire bent intermediate its ends to form a return bend -1 and opposite arms 2 and 3-, one of which as 2- terminates in an eye lbent from the main body toward and in the same general direction as the bend -1 in longitudinally spaced relation thereto to leave ample space for the free play of the adjacent chain link a interlocked with the bend or loop 1, the intermediate portion of the arm -2 being also bent inwardly toward the terminal end of the eye t.

The arm 2 and its eye -4c are dis posed in a substantially flat plane at right angles to the axis of the eye, while the other arm -3 is somewhat longer than the arm 2 and is extended forwardly some distance to one side of the plane of the eye 4 and also some distance beyond the outer edge of the eye where it is formed with a return bend 5 terminating in an extension 6- which is ofiset at substantiall right angles to the adjacent portion of the bend 3 in the direction of extension of and in substantially the same plane as the eye 4- but in spaced relation thereto to form a passage 7 of suflicient size to permit one side of any one of the links as -a to pass therethrough. i

That is, the arm 2 is disposed at one side of the axis '-i, while the arm 3 is disposed at the opposite side of said axis but in axially spaced relation to the eye a sufiicient distance to allow one side of any of the links to pass through the intervening space, said arm 3 being disposed a distance from the axis of the eye substantially equal to that of the corresponding side of the eye, while its forward end is bent at -5 downwardly and laterally to the plane of the eye in which the extension -(5 is located.

The lower end of the extension 6- at its junction with the arm 8 projects be low a straight line passing through the axes of the eye 4. and return bend 1-- a distance nearly equal to the radius of said eye, while the other end of the extension projects a similar distance to the opposite side of said straight line, thus permitting one of the links as a to lie in the plane of said straight line when engaged with the eye 1- and embracing the extension -6, which latter is spaced apart from the eye a distance considerably less than one of the links a to allow it to enter the adjacent link when interlocked with the eye -l and next adjacent link.

This extension 6- is substantially flat in the plane of the eye and gradually increases in width lengthwise of the coupling toward its free end so that when inserted in the link a, which is interlocked with the eye -l, it will slightly overhang the adjacent end of the next adjacent link a to prevent accidental displacement of the extension from the link through which it extends when the chain is tightened as shown more clearly in Figure 2.

After the link l is interlocked with the eye 4 while the latter is opened, said eye may be closed by bending its free end toward the arm 2 as shown by dotted lines in Figure 2 to retain the link in operative connection therewith, thereby fastening the coupling link to one section of the chain.

In order to attach the coupling to the other section of the same shown at the right of Figures 1 and 2, the extension 6 may he slipped through the attaching link and the latter drawn along the arm --3- until verse operation being necessary to separate the chain sections.

What I claim is: 1. An emergency link-coupling for chains consisting of a rod or wire bent interme diate its ends to form a return bend-loop and opposite arms extending in the same general direction from the loop, one of the arms terminating in an eye and the other arm extending some distance beyond the eye and terminating in an offset extension in a plane substantially parallel with the eye. 1

2. An emergency link-coupling for chains consisting of a rod or wire bent intermediate its ends to form a return bend-loop and opposite arms extending in the same general direction from the loop, one of the arms terminating in an eye and the other arm extending some distance beyond theeye and terminating in an offset extension in a plane substantially parallel with the eye, said extension being disposed in substantially the.

same plane as that of the eye and extended to opposite sides of a straight line drawn through the axes of the eye and loop.

A coupling-link for chains consisting of a rod or wire bent intermediate its ends to form a return bend-loop and opposite arms extending in the same general direction from opposite sides of the loop, one of the arms terminating in an eye extending toward the other arm and toward the loop, the other arm being extended some distance beyond the eye in transversely spaced relation thereto to form an intervening passage for one of the links of the chain to be coupled and terminating in an offset extension disposed in substantially the same line extending through the axis of the loop and eye, said extension being substantially flat in the direction of extension of the axis of the eye and gradually increasing in width toward its free end.

In witness whereof, I have hereunto set my hand this 27th day of February, 1922.

JOHN D. KING. Witnesses:

H. E. CHASE, M. C. BILL.

plane as'that of the eye and across a direct 

